Home / 34,543.11-47,675.21-21,803.23

Finding the Fourth Proportional to 34,543.11, 47,675.21 and 21,803.23

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Solution

The fourth proportional to 34,543.11, 47,675.21 and 21,803.23 is: 30,092.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.11 : 47,675.21 = 21,803.23 : x
  2. Step 2: Convert to fraction form
    34,543.11/47,675.21 = 21,803.23/x
  3. Step 3: Cross multiply
    34,543.11x = 47,675.21 × 21,803.23
  4. Step 4: Simplify right side
    34,543.11x = 1,039,473,623.44
  5. Step 5: Solve for x
    x = 1,039,473,623.44/34,543.11
  6. Step 6: Final answer
    x = 30,092.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.